Product description
Our Electric Engraving Pen Specification Gauge:16*124mm Power source: USB charging Work Rate:25W Transfer Speed:5000-18000r/min Rated voltage:3.7v Diameter of bits:2.35mm Around 3-5 hours idling after full charge.
Our Electric Engraving Pen Specification Gauge:16*124mm Power source: USB charging Work Rate:25W Transfer Speed:5000-18000r/min Rated voltage:3.7v Diameter of bits:2.35mm Around 3-5 hours idling after full charge.